v2.4.0

2.4.0 (2026-10-31)

Features

• add Observability logs, patterns and counts tools (#240) (7f74410)
• codemode: resolve non-canonical tool names and expose tools as functions (#252) (7640e16)
• deprecate the SSE transport, sunset 2026-11-20 (#251) (ed888b5)
• expose catalog property tools (#279) (39b04f7)
• log MCP auth rejections and exception details (#272) (e3489ce)
• run PostHog alongside AgentCat whenever POSTHOG_PROJECT_TOKEN is set (#227) (83bc567)
• serve a setup page at GET / on hosted deployments (#275) (ff988d6)
• tools: AI SRE investigation tools [RAI-1839] (#280) (deeb571)

Bug Fixes

• actionable errors for the top repeat failures in the Oct 24 Sentry sweep (#273) (fb0e468)
• actionable errors for the top repeat failures in the Oct 26 Sentry sweep (#276) (537dce8)
• close argument-repair gaps seen in Sentry after #264 (#265) (35f125b)
• codemode: correct execute guidance and make failed calls self-explaining (#257) (dc79dd4)
• codemode: restore the per-execute tool call limit (#254) (fcc89d7)
• deduplicate an alias passed alongside its parameter; map bare id and shift field names (#266) (bd786cd)
• deps: add urllib3 floor, raise pyjwt and mcp floors for open advisories (#234) [skip ci] (2df6c87)
• docker: exec the server so it receives SIGTERM (#245) (7734986)
• don't log client disconnects as ASGI exceptions (#250) [skip ci] (3e41e1e)
• fill a /v1/<resources>/{id} path from the matching <resource>_id (#271) (d3228c0)
• name real MCP tools in alert-route hints; explain sandbox json.dumps limits (#289) (1ea3502)
• oncall: drop the ignored tags filter and resolve handoff roles (#259) (85818fe)
• oncall: read shift roles from the included user; deprecate schedule_ids (#260) (c5b0a96)
• oncall: scope on-call shift queries to what was actually asked for (#220) [skip ci] (84069ce)
• oncall: stop paginating schedule shifts, which returned duplicates (#258) (46426ed)
• repair API-shaped arguments to curated tools and explain the rest (#264) (16d7151)
• repair misshapen JSON:API write bodies; map the last Sentry argument names (#267) (4e41716)
• resolve the five response-contract violations (#262) (a55ce6e)
• tell models which path argument a tool needs (#249) (b5c7a3d)
• treat null arguments as unset and point path-ID mixups at the right tool (#278) (009b5c9)

Documentation

• add Databricks setup and Marketplace listing kit (#239) [skip ci] (1022f6c)